CN103071362A - Dedusting and desulfuration integrated device for smoke and application of integrated device - Google Patents
Dedusting and desulfuration integrated device for smoke and application of integrated device Download PDFInfo
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- CN103071362A CN103071362A CN2013100348000A CN201310034800A CN103071362A CN 103071362 A CN103071362 A CN 103071362A CN 2013100348000 A CN2013100348000 A CN 2013100348000A CN 201310034800 A CN201310034800 A CN 201310034800A CN 103071362 A CN103071362 A CN 103071362A
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Abstract
The invention discloses a dedusting and desulfuration integrated device for smoke and an application of the integrated device. The device comprises a duster, a cooling and humidifying tower, a desulfuration tower and a water washing liquid storage component, wherein the duster is communicated with the middle lower part of the cooling and humidifying tower; the top of the cooling and humidifying tower is connected with the bottom of the desulfuration tower; the water washing liquid storage component is connected with the top of the desulfuration tower and the middle upper part and the middle lower part of the cooling and humidifying tower; the water washing liquid storage component comprises a clean water pool and a plurality of acid liquor pools; the acid liquor pools are different in concentration; acid liquor in the acid liquor pool with the maximum concentration is communicated with the cooling and humidifying tower. According to the dedusting and desulfuration integrated device for the smoke, the acid liquor is used for spraying of the cooling and humidifying tower, the concentration of the water washing acid liquor is reduced, the washing frequency and acid pool number are reduced, the regeneration time, energy consumption and once input cost are reduced, the acid liquor is used for the spraying of the cooling and humidifying tower and exchanges heat with the smoke, the hot acid liquor is used for cleaning an active carbon absorption layer, the regeneration effect of active carbon can be improved, and scaling can be slowed down.
Description
Technical field
The present invention relates to a kind of integrated apparatus to flue-gas dust-removing and desulfurization and application thereof.
Background technology
Country is more and more stricter to the flue gas desulfurization and dedusting requirement of numerous medium small boilers, and existing method can not satisfy the demand of relevant laws and regulations.
The medium small boiler that China has mostly uses Wet technique to carry out desulfurization, and sulfur removal technology is complicated, and robot control system(RCS) need to be arranged, and needs many people's operations; The desulfurizing agent cost is high; It is unstable that operating mode easily occurs, and causes practical sulphur removal efficient low, and sorbent consumption is large, and accessory substance increases, pipeline blockage, makes the problems such as operating cost increase.
Numerous medium small boilers use the technology dedustings such as moisture film or drip washing, and smoke dust discharge concentration is at 300-400mg/m
3Between, water consumption is large, and the floor spaces such as sedimentation basin are large, and organic particulate matter is many in the part boiler smoke, and existing wet process dust collection device or desulfurization-matched equipment can't satisfy the dedusting demand; Contain a large amount of in the dust waste water
F
-, the impurity such as heavy metal ion, directly discharging causes secondary pollution to environment.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, primary and foremost purpose of the present invention is to provide a kind of integrated apparatus to flue-gas dust-removing and desulfurization, and this device adopts the cloth-bag type dedusting to cooperate active carbon washing regenerative sulfur binding technology; Technique is simple when using this device, has stable, the advantages such as operating cost is low, non-secondary pollution, energy-saving and water-saving of high desulfurization rate, high dust removal efficiency, operating mode.
Another object of the present invention is to the application of device in flue-gas dust-removing and desulfurization that provide above-mentioned.
Purpose of the present invention is achieved through the following technical solutions:
A kind of integrated apparatus to flue-gas dust-removing and desulfurization, this device comprises deduster, decreasing temperature and increasing humidity tower, desulfurizing tower and water lotion reservoir part; Deduster is communicated with the middle and lower part of decreasing temperature and increasing humidity tower; The top of decreasing temperature and increasing humidity tower is connected to the bottom of desulfurizing tower; The water lotion reservoir part is connected to the top of desulfurizing tower, middle and upper part and the middle and lower part of decreasing temperature and increasing humidity tower by pipeline.
During dust-removal and desulfurizing operation beginning, at first dedusting in deduster of flue gas, then the middle and lower part from the decreasing temperature and increasing humidity tower enters the decreasing temperature and increasing humidity tower.In tower, adopt acid solution that flue gas is sprayed heat exchange, reach the effect of cooling and humidification.Flue gas is removed water smoke when continuing to rise in tower, then go out toward desulfurizing tower from overhead streams.Its temperature of flue gas that flows out from the decreasing temperature and increasing humidity tower is about 60 ℃, and humidity reaches more than 10%, has reached charcoal absorption SO
2Required better condition.Flue gas also enters in the tower from the bottom of desulfurizing tower, process activated carbon adsorption layer in the uphill process in tower, and the impurity such as the sulfur dioxide that contains in the flue gas are adsorbed, and last flue gas is in the state discharging of cat head with relative cleaning.Desulfurizing tower outlet dust concentration is lower than 30mg/m
3, SO in desulfurizing tower outlet flue gas
2During concentration over-standard, it is saturated to illustrate that activated carbon adsorption layer has adsorbed, and at this moment will stop absorption, cleaning active charcoal adsorption layer.
When the activated carbon adsorption layer in the desulfurizing tower adsorbs when saturated, open water washing lotion reservoir part is cleaned.Water lotion washes activated carbon adsorption layer from the top spray of desulfurizing tower and descend; The acid solution that forms after the washing still flows back to the water lotion reservoir part.
Described water lotion reservoir part comprises clear water reserviors and several acid baths; Described acid bath has dividing of concentration.During each washing operation beginning, use first the air purge activated carbon adsorption layer, to increase the inner oxygen content of active carbon, then washing.Use first the acid solution drip washing activated carbon adsorption layer of concentration maximum, formed acid solution still flows back to the acid bath of this concentration maximum; Then use successively rarer sour drip washing, use at last clear water drip washing.The benefit of aforesaid operations is cleaning active charcoal adsorption layer more up hill and dale, obtains simultaneously the different acid solution of concentration, is conducive to utilize respectively better these acid solutions.
Acid solution in the acid bath of concentration maximum is communicated with the decreasing temperature and increasing humidity tower, from the middle and upper part spray of tower and descend, flue gas is played lower the temperature and the effect of humidification; In this process, acid solution has also obtained concentrated.The acid solution of decreasing temperature and increasing humidity tower bottom deposition flows back to the acid bath of this concentration maximum, and is recycling.
There are two spraying nozzles vertically to place in the described decreasing temperature and increasing humidity tower; Spraying nozzle top is demister; The bottom of tower has ACID to flow to acid bath, simultaneously also in order to prevent that liquid from pouring in down a chimney in the fume pipe.
Described desulfurizing tower can adopt the mode of multitower parallel connection.The desulfurizing tower rear end can install condenser and steam-water separator additional;
Described deduster is sack cleaner.
The present invention has following advantage and effect with respect to prior art:
1, the integrated apparatus movement-less part to flue-gas dust-removing and desulfurization of the present invention need not to add desulfurizing agent, need not automatic control equipment, operating cost is low, and is simple in structure, reliable, can according to boiler working condition with opening with stopping, can adapt to the situation of flue gas operating mode frequent fluctuation.
2, the integrated apparatus purification efficiency to flue-gas dust-removing and desulfurization of the present invention is high, and desulfurization degree can reach more than 90%; Filter in conjunction with bag-type dust, pickling tower spray, active carbon layer, dust, organic particulate matter can be taken off to 30mg/m
3Below, but the impurity such as while deep removal heavy metal, bioxin.
3, the integrated apparatus to flue-gas dust-removing and desulfurization of the present invention can not produce the secondary pollutions such as mud, waste water without larger facilities of floor space such as sedimentation basin, slurry pool, stirring pools.But accessory substance dilute sulfuric acid secondary utilization.
4, the integrated apparatus to flue-gas dust-removing and desulfurization of the present invention has concentrated the concentration of washing acid solution by the spray that acid solution is used for the decreasing temperature and increasing humidity tower, has reduced washing progression and sour pool count, reduces recovery time and energy consumption and an input cost.
5, the integrated apparatus to flue-gas dust-removing and desulfurization of the present invention, acid solution be used for the decreasing temperature and increasing humidity tower spray and and flue gas heat exchange, utilize the acid solution cleaning active charcoal adsorption layer of heat, can increase the regeneration effect of active carbon and the generation that slows down scale formation.
Description of drawings
Fig. 1 is the structural representation of the integrated apparatus to flue-gas dust-removing and desulfurization of the present invention; Wherein, 1-gas approach, 2-sack cleaner, 3-air compressor, 4-air-introduced machine, 5-decreasing temperature and increasing humidity tower, 6-air blast, 7, the 8-desulfurizing tower, 9-exhanst gas outlet, 10-acid picking pump, 11-clear water reserviors, 12,13,14,15-acid pond, 16-acid pump.
The specific embodiment
The present invention is described in further detail below in conjunction with embodiment and accompanying drawing, but embodiments of the present invention are not limited to this.
Embodiment
A kind of integrated apparatus to flue-gas dust-removing and desulfurization, its structure comprise sack cleaner 2, decreasing temperature and increasing humidity tower 5, desulfurizing tower 7,8 and water lotion reservoir part as shown in Figure 1, and desulfurizing tower adopts the mode of double-column in series.
During dust-removal and desulfurizing operation beginning, flue gas is at first removed most flue dust in sack cleaner 2.For preventing active carbon generation fouling, the dust content after the dedusting should be less than 200mg/m
3, and can make dust concentration at 50mg/m by sack cleaner
3In, can slow down the active carbon fouling, the generation of the phenomenon that hardens, prolong active carbon service life.
Flue gas after dedusting middle and lower part from decreasing temperature and increasing humidity tower 5 under the traction of air-introduced machine 4 enters decreasing temperature and increasing humidity tower 5.In tower 5, adopt the acid solution in the sour pond 15 that flue gas is sprayed heat exchange, reach the effect of cooling and humidification.Flue gas is removed water smoke when tower 5 interior continuation are risen, then go out toward desulfurizing tower 7,8 from overhead streams.For making the charcoal absorption performance reach better, the humidity of flue gas that enters desulfurizing tower should be greater than 10%(absolute humidity).Can make the flue-gas temperature about 130 ℃ be down to 60 ℃ by the decreasing temperature and increasing humidity tower, the outlet humidity of flue gas can reach 20%, and relative humidity can make the charcoal absorption performance reach optimum state near 100%, adsorption tower outlet SO
2Concentration can be controlled in below the 100ppm.
Its temperature of flue gas that flows out from decreasing temperature and increasing humidity tower 5 is about 60 ℃, and humidity reaches more than 10%, has reached charcoal absorption SO
2Required better condition.Flue gas also enters in the tower from the bottom of desulfurizing tower 7,8, process activated carbon adsorption layer in the uphill process in tower, and the impurity such as the sulfur dioxide that contains in the flue gas are adsorbed, and last flue gas is in the state discharging of cat head with relative cleaning.Desulfurizing tower 7,8 outlet dust concentrations are lower than 30mg/m
3, SO in desulfurizing tower 7,8 outlet flue gases
2During concentration over-standard, it is saturated to illustrate that activated carbon adsorption layer has adsorbed, and at this moment will stop absorption, cleaning active charcoal adsorption layer.
When the activated carbon adsorption layers in the desulfurizing tower 7,8 adsorb when saturated, open water washing lotion reservoir part is cleaned.Water lotion washes activated carbon adsorption layer from the top spray of desulfurizing tower 7,8 and descend; The acid solution that forms after the washing still flows back to the water lotion reservoir part.
The water lotion reservoir part comprises clear water reserviors 11 and 4 acid baths 12,13,14,15; Acid bath 12,13,14,15 have dividing of concentration.During each washing operation beginning, be blown into the air purge activated carbon adsorption layer with air blast 6 first, to increase the inner oxygen content of active carbon, then washing.Use first the acid solution drip washing activated carbon adsorption layer of concentration maximum, formed acid solution still flows back to the acid bath 15 of this concentration maximum; Then use successively rarer sour drip washing, use at last clear water drip washing.The benefit of aforesaid operations is cleaning active charcoal adsorption layer more up hill and dale, obtains simultaneously the different acid solution of concentration, is conducive to utilize respectively better these acid solutions.
Acid solution in the acid bath 15 of concentration maximum is communicated with decreasing temperature and increasing humidity tower 5, from the middle and upper part spray of tower and descend, flue gas is played lower the temperature and the effect of humidification; In this process, acid solution has also obtained concentrated.The acid solution of decreasing temperature and increasing humidity tower bottom deposition flows back to the acid bath 15 of this concentration maximum, and is recycling.
There are two spraying nozzles vertically to place in the decreasing temperature and increasing humidity tower 5; Spraying nozzle top is demister; The bottom of tower has ACID to flow to acid bath 15, simultaneously also in order to prevent that liquid from pouring in down a chimney in the fume pipe.
The desulfurizing tower rear end installs condenser and steam-water separator additional.
Performance is stablized in the whole device long-time running, occurs without phenomenons such as obstructions.
Above-described embodiment is the better embodiment of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (6)
1. the integrated apparatus to flue-gas dust-removing and desulfurization is characterized in that comprising deduster, decreasing temperature and increasing humidity tower, desulfurizing tower and water lotion reservoir part; Deduster is communicated with the middle and lower part of decreasing temperature and increasing humidity tower; The top of decreasing temperature and increasing humidity tower is connected to the bottom of desulfurizing tower; The water lotion reservoir part is connected to the top of desulfurizing tower, middle and upper part and the middle and lower part of decreasing temperature and increasing humidity tower by pipeline;
Described water lotion reservoir part comprises clear water reserviors and several acid baths; Described acid bath has dividing of concentration, and wherein the acid solution in the acid bath of concentration maximum is communicated with the decreasing temperature and increasing humidity tower.
2. the integrated apparatus to flue-gas dust-removing and desulfurization according to claim 1 is characterized in that: have two spraying nozzles vertically to place in the described decreasing temperature and increasing humidity tower; Spraying nozzle top is demister; The bottom of tower has ACID to flow to acid bath.
3. the integrated apparatus to flue-gas dust-removing and desulfurization according to claim 1 is characterized in that: described desulfurizing tower, the mode of employing multitower parallel connection.
4. the integrated apparatus to flue-gas dust-removing and desulfurization according to claim 1, it is characterized in that: the desulfurizing tower rear end installs condenser and steam-water separator additional.
5. the integrated apparatus to flue-gas dust-removing and desulfurization according to claim 1, it is characterized in that: described deduster is sack cleaner.
6. each described device application in flue-gas dust-removing and desulfurization of claim 1-5.
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|---|---|---|---|
| CN201310034800.0A CN103071362B (en) | 2013-01-29 | 2013-01-29 | Dedusting and desulfuration integrated device for smoke and application of integrated device |
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| CN201310034800.0A CN103071362B (en) | 2013-01-29 | 2013-01-29 | Dedusting and desulfuration integrated device for smoke and application of integrated device |
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| CN103071362B CN103071362B (en) | 2015-07-22 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105194958A (en) * | 2015-11-03 | 2015-12-30 | 陈海涛 | Multistage wet type efficient combined dust remover for smelting furnace |
| CN106705100A (en) * | 2017-01-12 | 2017-05-24 | 王和 | Intelligent environment-friendly flue gas purification system based on water purification |
| CN109865385A (en) * | 2019-04-01 | 2019-06-11 | 吐鲁番瑞德化轻有限公司 | The device and process of two sections of binary processing flue gases |
| CN110559804A (en) * | 2018-06-05 | 2019-12-13 | 中国石油化工股份有限公司 | Flue gas desulfurization and regeneration integrated tower and flue gas desulfurization method |
| CN112691494A (en) * | 2020-12-25 | 2021-04-23 | 佛山市正州环保通风设备有限公司 | Industrial waste gas desulfurization method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09243050A (en) * | 1996-03-01 | 1997-09-16 | Kawasaki Heavy Ind Ltd | Exhaust gas treatment method and apparatus |
| CN101433798A (en) * | 2007-11-12 | 2009-05-20 | 河南省旭辉环保工程有限公司 | High-efficient wet-type ammonia recovering method desulfuration method with oxidation and concentration processes outside tower and device thereof |
| CN102614775A (en) * | 2011-01-26 | 2012-08-01 | 四川大学 | Method for removing and recovering low concentration sulfur dioxide in industrial exhaust gas |
| CN102716656A (en) * | 2012-03-23 | 2012-10-10 | 北京东旭宏业科技有限公司 | Smoke washing device |
| CN203123771U (en) * | 2013-01-29 | 2013-08-14 | 梅州环保设备有限公司 | Flue gas dust collection and desulfurization integrated device |
-
2013
- 2013-01-29 CN CN201310034800.0A patent/CN103071362B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09243050A (en) * | 1996-03-01 | 1997-09-16 | Kawasaki Heavy Ind Ltd | Exhaust gas treatment method and apparatus |
| CN101433798A (en) * | 2007-11-12 | 2009-05-20 | 河南省旭辉环保工程有限公司 | High-efficient wet-type ammonia recovering method desulfuration method with oxidation and concentration processes outside tower and device thereof |
| CN102614775A (en) * | 2011-01-26 | 2012-08-01 | 四川大学 | Method for removing and recovering low concentration sulfur dioxide in industrial exhaust gas |
| CN102716656A (en) * | 2012-03-23 | 2012-10-10 | 北京东旭宏业科技有限公司 | Smoke washing device |
| CN203123771U (en) * | 2013-01-29 | 2013-08-14 | 梅州环保设备有限公司 | Flue gas dust collection and desulfurization integrated device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105194958A (en) * | 2015-11-03 | 2015-12-30 | 陈海涛 | Multistage wet type efficient combined dust remover for smelting furnace |
| CN106705100A (en) * | 2017-01-12 | 2017-05-24 | 王和 | Intelligent environment-friendly flue gas purification system based on water purification |
| CN110559804A (en) * | 2018-06-05 | 2019-12-13 | 中国石油化工股份有限公司 | Flue gas desulfurization and regeneration integrated tower and flue gas desulfurization method |
| CN109865385A (en) * | 2019-04-01 | 2019-06-11 | 吐鲁番瑞德化轻有限公司 | The device and process of two sections of binary processing flue gases |
| CN112691494A (en) * | 2020-12-25 | 2021-04-23 | 佛山市正州环保通风设备有限公司 | Industrial waste gas desulfurization method |
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| CN103071362B (en) | 2015-07-22 |
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Address after: 514733 Meizhou Province, Meixian District, Fu Da hi tech Zone, sunflower, three Patentee after: Guangdong environmental protection Limited by Share Ltd Address before: 514700 Guangdong city of Meizhou province Meixian Guang Mei Road No. 192 Patentee before: Meizhou Environmental Equipment Co., Ltd. |